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CL-65 Study Guide > Landing Gear > Flashcards

Landing Gear Flashcards

1
Q

How is the main landing gear held up & down?

A

Mechanical up & down locks

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2
Q

How is the nose gear held in the up & down position?

A

Over center mechanism

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3
Q

Do the forward nose gear doors remain open after normal extension?

A

Yes

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4
Q

How are the nose gear doors actuated?

A

Mechanically

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5
Q

What is the purpose of the brushes on the main wheel wells?

A

Aerodynamic seal

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6
Q

Where can we determine position of the landing gear?

A

ED1

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7
Q

Which component monitors position of up locks, down locks, & gear door position & WOW sensors?

A

PSEU (proximity sensing electronic unit)

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8
Q

What component ensures the gear handle cannot be moved to UP position on ground?

A

Down-lock solenoid

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9
Q

When can gear horn not be muted?

A

Both thrust levers idle &/or flaps >30 degrees

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10
Q

Which hydraulic system operates inboard brakes?

A

3

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11
Q

Which hydraulic system operates outboard brakes?

A

2

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12
Q

When does anti-skid operate?

A

Wheel spin up >=35 kts or WOW+5 seconds

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13
Q

What is nosewheel steering degree of travel limits with nose wheel steering ON?

A

8 degrees with rudder

80 degrees with tiller

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14
Q

At what speed does anti-skid control stop operating?

A

Wheel speed <=10 kts

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15
Q

During landing gear retraction, why is hydraulic pressure from nose landing gear up line routed to activate the brake control valves?

A

Stop main wheel rotation

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16
Q

Pulling the landing gear manual release handle will permit the main landing gear to extend & lock into position:

A

Using gravity & down lock assist actuator force from the No. 2 Hyd. system

17
Q

If hyd. systems 2 & 3 fail, what emergency braking is available?

A

Brake accumulators in both hydraulic systems provide reserve pressure for 6 brake applications with anti-skid selected OFF

18
Q

When parking brake applied while hydraulic systems off, will brakes hold for prolonged period?

A

Yes, only inboard brakes

19
Q

When will the landing gear warning horn sound?

A

2 minutes after weight-off-wheels,
w/ 1 or both thrust levers idle,
& airspeed <5 degrees

CL-65 Study Guide (18 decks)

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